Circuit/System Verification

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

Ignition - On / Vehicle - In Service Mode
Left Turn Signal Switch - On and Off
Verify the scan tool parameter:Left Turn Signal Switch = Active/Inactive
Right Turn Signal Switch - On and Off
Verify the scan tool parameter:Right Turn Signal Switch = Active/Inactive
- If the parameter state does not change
  Refer to:Turn Signal Multifunction Switch - Malfunction
- Go to next step: If the parameter state changes
Scan Tool Device Control - Left Turn Signal Lamps - On and Off
Verify the component activates:Left Turn Signal Lamps = On and Off
- If the component does not activate
  Refer to:Turn Signal Lamps - Malfunction
- Go to next step: If the component activates
Scan Tool Device Control - Right Turn Signal Lamps - On and Off
Verify the component activates:Right Turn Signal Lamps = On and Off
- If the component does not activate
  Refer to:Turn Signal Lamps - Malfunction
- Go to next step: If the component activates
{ With UGE } Left Turn Signal Lamps - On and Off
Verify the component activates:Instrument Cluster - Turn Signal Indicators = Flashing
{ With UGE } Right Turn Signal Lamps - On and Off
Verify the component activates:Instrument Cluster - Turn Signal Indicators = Flashing
- If the component does not work as specified
  Refer to:Turn Signal Lamps - Signal = Inoperative
- Go to next step: If the component works as specified
All OK.